OnGuard Security Edition The OnGuard Security Edition service offers clients the basic protection needed to keep their network safe from outside intrusion. When you sign up for OnGuard Security Edition, asiGuardian security specialists will evaluate your network infrastructure and traffic to make the best recommendation about what type of Managed Firewall and/or IDP solution to implement and where it should be located. Then, for a monthly fee, asiGUARDIAN will provide you with the necessary hardware and services to ensure your network stays protected.